Just received this email:

Enter coupon code RCA89JPACM at checkout and save an extra:

10% on projectors $699.99 & up
10% on home audio $149.99 & up
10% on firedog home theater installations $199.99 & up
10% on firedog computer services
10% on computer accessories
10% on kitchen & home appliances
5% on GPS $249.99 & up
5% on digital cameras $249.99 & up
5% on car stereos $149.99 & up
5% on networking $49.99 & up
5% on hard drives $99.99 & up

Fine Print:

"This offer is good for 10% off the following: projectors $699.99 & up, home audio $149.99 & up, firedog(SM) home theater installations $199.99 & up, firedog(SM) computer services, computer accessories (mice, keyboards, webcams, computer speakers, cables, surge protectors, UPS, voice recorders, calculators, laptop accessories, scanners, laptop bags, and shredders), and kitchen & home appliances. This offer is also good for 5% off the following: GPS $249.99 & up, digital cameras $249.99 & up, networking $49.99 & up, hard drives $99.99 & up, and car stereos $149.99 & up. Use coupon code RCA89JPACM during checkout to redeem. This offer is good for one use only on qualifying products on a single sales receipt dated 8/28/08 through 8/30/08. This offer is not valid on previous purchases. This offer excludes the following brands and products: Apple products, Bose products, select Garmin products, select Linksys products, Panasonic projectors, select Polk products, Velodyne products, select Western Digital products, air conditioners, camera accessories, desktop computers, digital SLR cameras, game hardware, game software, gaming accessories, laptop computers, movies, MP3 players, music, telecom, televisions, vacuums, preordered and back-ordered products, gift cards and delivery fees. This offer also excludes the following models: BLK F5D82334, BLK F5L009, BTH HSDH500GL, BTH LSL320GL, CAN SD890IS, DLK DIR628, DLK DIR655, DLK DWA130, DLK DWA160, DLK DWA552, MNN 052507HT, MXT M305004OTA3E5, MXT M310004OTA3E5, MXT M903203OTA3E1, NIK COOLPIXS600BK, NTG WNR2000100NAS, NTG XE102GNA, PAN DMCFX100K, SML S500U, SML S1000U, SON DSCH50B, SON DSCT2B, SON DSCT2L, SON DSCT2W, and SON DSCT200. Not valid on previous purchases. Delivery fees, shipping charges, and sales tax not included in total purchase calculation. Coupon code valid online only. Not combinable with select Circuit City offers. Not redeemable for cash. Void where prohibited or restricted

Not working for me. Getting the error message:
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The coupon entered is not valid today. No discount was applied. You can check the dates of the coupon by clicking "view terms" below, or remove the coupon by clicking "remove coupon" below.
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Anybody had success yet ?

Edit: It is working now (only on selected items)